National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Fair

22°F

-6°C

Humidity 71%
Wind Speed NW 10 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 27 Dec 11:54 pm EST
Extended Forecast for

Watertown MA

Winter Weather Advisory December 28, 07:00pm until December 29, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 14. Light west wind.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 37. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Freezing rain likely before 2am, then rain, possibly mixed with freezing rain between 2am and 3am, then rain after 3am. Patchy fog after 11pm. Low around 30. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Rain/Freezing
    Rain and
    Patchy Fog

  • Monday

    Monday: Rain. Patchy fog before 11am. High near 50. South wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of rain, mainly before 10pm. Partly cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 25 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. West wind 15 to 17 mph, with gusts as high as 36 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. West wind around 11 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Southwest wind around 9 mph.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 14. Light west wind.
Sunday
Increasing clouds, with a high near 37. Light and variable wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Freezing rain likely before 2am, then rain, possibly mixed with freezing rain between 2am and 3am, then rain after 3am. Patchy fog after 11pm. Low around 30. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. Patchy fog before 11am. High near 50. South wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A chance of rain, mainly before 10pm. Partly cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 30. West wind 15 to 17 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 34. West wind around 11 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Southwest wind around 9 mph.
New Year's Day
A chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind around 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 26. West wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 15. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 30. West wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
5:58 pm EST Dec 27, 2025
Forecast Valid:
12am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation